Amd 3Rd Gen Epyc vulnerabilities

CVE-2021-26316 [HIGH] CWE-20 CVE-2021-26316: Failure to validate the communication buffer and communication service in the BIOS may allow an atta Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.

CVE-2023-20531 [HIGH] CWE-119 CVE-2023-20531: Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service.

CVE-2021-26398 [HIGH] CWE-787 CVE-2021-26398: Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.

CVE-2023-20530 [HIGH] CWE-20 CVE-2023-20530: Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory rea Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.

CVE-2023-20529 [HIGH] CWE-119 CVE-2023-20529: Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.

CVE-2023-20522 [HIGH] CWE-20 CVE-2023-20522: Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially caus Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of service.

CVE-2021-26402 [HIGH] CWE-787 CVE-2021-26402: Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox comm Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

CVE-2021-46779 [HIGH] CWE-787 CVE-2021-46779: Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

CVE-2021-26409 [HIGH] CWE-120 CVE-2021-26409: Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memo Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.

CVE-2023-20532 [MEDIUM] CWE-20 CVE-2023-20532: Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potenti Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.

CVE-2021-26355 [MEDIUM] CWE-693 CVE-2021-26355: Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid mess Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.

CVE-2021-26404 [MEDIUM] CWE-20 CVE-2021-26404: Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.

CVE-2021-26396 [MEDIUM] CWE-345 CVE-2021-26396: Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.

CVE-2021-26328 [MEDIUM] CWE-358 CVE-2021-26328: Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

CVE-2021-46791 [MEDIUM] CWE-787 CVE-2021-46791: Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory that may result in a potential denial of service.

CVE-2023-20525 [MEDIUM] CWE-20 CVE-2023-20525: Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.

CVE-2021-46767 [MEDIUM] CWE-20 CVE-2021-46767: Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized wr Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.

CVE-2022-23814 [MEDIUM] CWE-20 CVE-2022-23814: Failure to validate addresses provided by software to BIOS commands may result in a potential loss o Failure to validate addresses provided by software to BIOS commands may result in a potential loss of integrity of guest memory in a confidential compute environment.

CVE-2021-46768 [MEDIUM] CWE-125 CVE-2021-46768: Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.

CVE-2023-20527 [MEDIUM] CWE-20 CVE-2023-20527: Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memo Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.